221340160

素因数分解:

$2^9\times 5^1\times {\mathrm{86461}}^1$

素因数の和:86484

約数の個数: 40

約数和(自身を含む): 530703756

約数和(自身を除く): 309363596

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 86461, 172922, 345844, 432305, 691688, 864610, 1383376, 1729220, 2766752, 3458440, 5533504, 6916880, 11067008, 13833760, 22134016, 27667520, 44268032, 55335040, 110670080, 221340160]

約数ペア:

[(1, 221340160), (2, 110670080), (4, 55335040), (5, 44268032), (8, 27667520), (10, 22134016), (16, 13833760), (20, 11067008), (32, 6916880), (40, 5533504), (64, 3458440), (80, 2766752), (128, 1729220), (160, 1383376), (256, 864610), (320, 691688), (512, 432305), (640, 345844), (1280, 172922), (2560, 86461)]